We're actively working with National Instruments to solve the new NXT driver issue causing ROBOTC to crash. It seems to be that the new installers do not have all of the dependencies required to properly use the fantom.DLL communication library.

We have discovered a work around however, so please use the following steps to get your copy of ROBOTC up and running.

* Step 1: Uninstall any LEGO NXT USB Driver you currently have installed.

This should solve the issue. Thanks for everyone patient in working with this problem. We do hope to have a new version of the driver in the future that will solve this problem without the workaround.

Update (9/18): Information about the issues. We hope to have a new installer that will fix the Fantom issues sometime this week.

Quote:

We have found the root of the issue and will have a solution soon.

It turns out that two registry keys were missing in the (fantom) 1.2.0 installer. These keys are common to many NI products, which made finding the issue more painful than usual - installing anything to debug the problem would usually fix it.

I tried your way around the fantom.dll error and it didn't work. We are using XP and the new driver will not load. Robotc also keeps crashing. Any more ideas.

Sat Sep 17, 2011 12:00 am

ronmcrae

Rookie

Joined: Wed Jul 21, 2010 11:23 pmPosts: 39

Re: ROBOTC/NXT Driver Crashing Issue

Samantha wrote:

I tried your way around the fantom.dll error and it didn't work. We are using XP and the new driver will not load. Robotc also keeps crashing. Any more ideas.

Make sure you expand the USB drivers from the ZIP file before trying to install. They do not seem to install properly if run directly from the ZIP.

Sat Sep 17, 2011 11:24 am

nanoplane

Rookie

Joined: Wed Nov 17, 2010 2:52 amPosts: 8

Re: ROBOTC/NXT Driver Crashing Issue

I was having the same issues. I found I had to manually delete the C:\\VXIPNP directory before I could install either the old drivers or the new ones.

--marcel

Sat Sep 17, 2011 2:50 pm

enauman

Rookie

Joined: Mon Nov 09, 2009 10:51 amPosts: 23

Re: ROBOTC/NXT Driver Crashing Issue

Do the instructions above work for RobotC v2.0.2? That is the only one I have purchased a classroom license for so I can't upgrade to v3 without a significant cost for our school. Hopefully the new intaller mentioned with the fantom.dll fix will cover this version. My issue is on Win7 where the NXT driver installs successfully but then RobotC behaves as if it isn't installed when communication is opened with the NXT over USB.

Mon Sep 19, 2011 12:00 pm

tfriez

Site Admin

Joined: Wed Jan 24, 2007 10:42 amPosts: 620

Re: ROBOTC/NXT Driver Crashing Issue

enauman wrote:

Do the instructions above work for RobotC v2.0.2? That is the only one I have purchased a classroom license for so I can't upgrade to v3 without a significant cost for our school. Hopefully the new intaller mentioned with the fantom.dll fix will cover this version. My issue is on Win7 where the NXT driver installs successfully but then RobotC behaves as if it isn't installed when communication is opened with the NXT over USB.

Yes, this should fix the issues with 2.02 as well. The new Fantom driver is backwards compatible.

For the old fantom driver installers, it was necessary to put the line "AllowWindowsStarter=1" in the [OS] section of the setup.ini file.You might notify National Intruments about that, or you might want to put the line in your driver's setup.ini file.

Fri Nov 09, 2012 3:56 pm

Alair55

Rookie

Joined: Fri Aug 23, 2013 12:08 amPosts: 2

Re: ROBOTC/NXT Driver Crashing Issue

Well i was also facing these issues but i hope it should be fine now after this informative post.thanx...

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